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Finding the Fourth Proportional to 615,094.20, 922,641.30 and 608,873.40

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Solution

The fourth proportional to 615,094.20, 922,641.30 and 608,873.40 is: 913,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,094.20 : 922,641.30 = 608,873.40 : x
  2. Step 2: Convert to fraction form
    615,094.20/922,641.30 = 608,873.40/x
  3. Step 3: Cross multiply
    615,094.20x = 922,641.30 × 608,873.40
  4. Step 4: Simplify right side
    615,094.20x = 561,771,745,311.42
  5. Step 5: Solve for x
    x = 561,771,745,311.42/615,094.20
  6. Step 6: Final answer
    x = 913,310.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.